7 of the World's Most Epic Adult Playgrounds, Because Adults Like to Have Fun Too

The 30 fiberglass fish on rotation in the new $16 million SeaGlass Carousel, which opened in August in New York's Battery Park, include crayola-bright threadfin butterflyfish and siamese fighting fish illuminated from the inside with color-changing LEDs meant to mimic bioluminescence. What else would you expect from the set designer of Broadway's Little Mermaid? You'll have to contend with lots of little people waiting in line to see the show, but it's worth it.